/Engine/Source/Runtime/Core/Public/Containers/RingBuffer.h
Add a new element after the back pointer of the RingBuffer, resizing if necessary. The new element is copy constructed from the argument. Returns a reference to the added element.
[ElementType](API\Runtime\Core\Containers\TRingBuffer\ElementType) & Add_GetRef ( const [ElementType](API\Runtime\Core\Containers\TRingBuffer\ElementType) & Element )